FIX TAG 37
OrderID
Definition
Unique identifier for Order as assigned by sell-side (broker, exchange, ECN). Uniqueness must be guaranteed within a single trading day. Firms which accept multi-day orders should consider embedding a date within the OrderID field to assure uniqueness across days.
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Differences between the selected source snapshots, including wording and errata; not a migration guide.
FIX 4.4 FIX 5.0 SP2
No differences in name, type, definition text, deprecation, or enumerated values.
No enumerated values are defined for this field in this source.
About the String data type
Alpha-numeric free format strings, can include any character or punctuation except the delimiter. All String fields are case sensitive (i.e. morstatt != Morstatt).
Used in messages 29
Includes nested components and repeating groups. Open a location to see its surrounding requirements.
35=8ExecutionReportMessage body35=9OrderCancelRejectMessage body35=CEmailMessage body35=FOrderCancelRequestMessage body35=GOrderCancelReplaceRequestMessage body35=HOrderStatusRequestMessage body35=JAllocationInstructionOrdAllocGrp35=NListStatusOrdListStatGrp35=QDontKnowTradeMessage body35=WMarketDataSnapshotFullRefreshMDFullGrp35=XMarketDataIncrementalRefreshMDIncGrp35=rOrderMassCancelReportMessage body35=tCrossOrderCancelReplaceRequestMessage body35=uCrossOrderCancelRequestMessage body35=ACMultilegOrderCancelReplaceMessage body35=ADTradeCaptureReportRequestMessage body35=AETradeCaptureReportTrdCapRptSideGrp / TradeReportOrderDetail35=AKConfirmationOrdAllocGrp35=ARTradeCaptureReportAckTrdCapRptAckSideGrp / TradeReportOrderDetail35=ASAllocationReportOrdAllocGrp35=AXCollateralRequestMessage body35=AYCollateralAssignmentMessage body35=AZCollateralResponseMessage body35=BACollateralReportMessage body35=BBCollateralInquiryMessage body35=BGCollateralInquiryAckMessage body35=BHConfirmationRequestOrdAllocGrp35=BMAllocationInstructionAlertOrdAllocGrp35=BNExecutionAcknowledgementMessage body